Liquid-soap-dispensing apparatus.



E. M. FRANK :& J; H. VENNERS. LIQUID ,SOAP DISPENSING APPARATUS.

APPLICATION FILED NOV. 16, 1907.

Patented June 22,- 1909.*

rI/llfll/ bow era.

. Mme/was is a broken detail sectional view showing a be formed up orshaped in any desira 1e and EMANUEL M. FRANK AN JAMES H. VENNERS',

or NEW YORK, ASSIGNORS Torn-r.

P. FRANK DISINFEGTING COMPANY, A ;FIRM.,'

LmuID-soAP-msPENsmG APPA ATUS.

Specification of Letters I Patent;

Application filed'November 16, 1907. Serial 110402366.

To-all whom it may concerm,

Be it known that we, EMANUEL M. FRANK and JAMEs H. VENNERS, citizens ofthe United States, both of the city, county, and State of New York, haveinvented certain new and useful Improvements in Liquid- Soap-DispensingApparatus, of which the following is a specification.

This invention relates to liquid-soap dis' pensing apparatus by which asmall quantity of soap may be discharged for use, and the objects of theinvention are to rovide a substantial, economical and relia le soapdispensing apparatus, a'nd one in which the tendency to squirt thecharge of soap with great force from the machine tending to spatter itallaround, is removed.

These being some of the objects in view, our invention consists ofcertain features of constructionand combinations of parts to behereinafter. described and then claimed.

In the accompanying drawings showing a desirable form of the invention,Figure 1 is an elevation of our improved liquid-soap dispensingapparatus; Fig. 2 is a vertical central section thereof, clearly showingthe soap discharge portions; Fig. 3 is an enlarged detail section of thedischarge portions of the apparatus in actuated position when a chargeof soapis discharged; Fig. 4

modified form of autonz..-itic llSCllfiIQG valve; and Fig. 5 is anothermodification of tli "valve,

The casing or reservoir a which is to containthe liquid-soap may be ofany suitable construction, but preferably that shown is employed, andcomprises a glass cylinder a. provided with a suitable top and bottom(1., 0, The top and bottom a a of the reservoir have-preferably appliedthereto a top cap 1 and a bottom cap r which are secured to top a andbottom-a by crimping or expanding the edges of the caps upon the latteror they may be secured by solder so as not to be easily removed by oneinclined'to tamper with the a paratus. The top cap has a suitably closevfilling orifice r, and the bottom cap a discharge nozzle r These ca smay ornamental manner.

Contained within the reservoir which mayconsist of the parts described,is a suitable charge discharging mechanism, the

chamber. The liquid-sea simp the valve h, and the outer end or that thehand of thefpersonmay l1 preferable form of which is illustrated in the,drawings. This mechanism is as follows:

e patent d .ruii aaieoaQ A charge chamber-which corn o'sed'of'an uppercylindrical section'b-and a owe'rflcylindrical section 0, is located in"the lowerpart of the reservoir, the two sections {being screwed togetherat b, and the lower section 6 being e d in a suitable gland nut d lo- Icated in a central opening of th resiefvbir:

bottom a so .that t e longitudinal axis of the reservoir' passes throughthe charge I -which" is admitted-into the reservoir't rough the fillingorifide r flows in' small streams through one or more, perforations einthe'lower-charge chamber section 0, which-holesare located iust abovethe bottom a Small'jets of iquid-soap flow into the lowersection of thecharge chamber only when. the charge discharging plunger, tobedescribed, is raised entirely above the perforations; A dischargeopening f surrounded by a downfwardly projecting nozzle or neck g, islocated in the lower end of the charge section 0 and preferably flaresdownwardly-so thatrit mfay e controlled by a conical valve-h whichisseated movably in said discharge opening. Said valve is held to its seatinsuch manner.

that when the charge ;ofliquid-soap.-in the charge chamber is pressedout, 'said' valve.

will automatically open and then close when the-pressure on the chargeis removed} A" action may be-a lever i suitably ivoted out-- side of thenozzle 9 tty" to a smalllug j, with the inner end of 'the said, leversupporting h eve carrying a weight k. This valve. mechanism e means forpermitting such automatic is contained within the-lower cap 1? so that iit may not be tampered with, and the construction is such that therewill be l 'noitenrlency forthesoap to cloginno zzl' The .plston orplunger m for disc 1. ably fitted the li uid-soap 1S snugly .y'etf movinto helower charge section ,0, and'in its normal positionislocated'ivithiii th 'ef upper charge section I). This charge'plunger mis preferably actuated *plunger )rodf rnf, which at its 1ower'.. ndbrewed to the ger while its upper'enr isprovided knob m located abovetheT-uppeI',

venient access theretoto. depressfthepliijnger rod and plunger-j-Sardf-plungerjro'd'f isl: guided in a guide tube locatedaitiallyfin thereservoir,- its lower end being-screwed to the upper end of thechargechamber and I charge of i uid-soap' byrconstruct-ing the.

' uid-soap, said reservoir being of course supits upper end beingsuitably secured to the reservoir top-a The plunger rod andplunger arenormally retracted by means of a suitable retracting spring a which maybe coiled about the plunger rod and located underneath the top cap 1*between it and the upper charge section b, said-stop having longitudinaladjustment relatively to) thecharge chamber through the medium of itsscrew stem p which passes through a longi-- tudinal slot. in theuppercharge section b, and which screw stem receives a binding nut f.The stop p may be adjusted at various iieights so -that when the plungeim islow- 'ied a shoulder contact with said stop and thuslimit the extent of downward movement of the plunger.

It has been found in practice that liquid- Soap dispensing apparatus ofthis general type. that is, With a discharge lunger or piston,dischargethe charge of iquid-soap with'too much force when the plungeris de pressed, thustending to spatter the soap all about- We obtain inour liquid-soap dispensing-zip aratus a gentle discharge of the plungerm ho oW-and open at its lower end, to provide an open air chamber whichacts as apn'eumatic cushion to. force out-the charge of soap gently whenthe plunger is depressed; It will be seen that the plunger at the limitof its downward movement isv confined --at-. its upper, end in the lowerend of theupp'er cylindrical section I), With the advanta e that theliquidsoap cannot flow in over t e top of the plunger, which act's-as a.seator cut-off during such downward movement.

The operation briefiyis as follows. The reservoiris supplied with aquantityof liqported stationary. in any sultable and convenient.location. A: charge v of'the liquidsoap will flow throughthe'perforations 6 into erson desiring soap sinply presses down upon thep unger rod, thus lowering theplunger m as shown in Fig. 3 and therebycausing the pluger with its air cush ion to discharge the charge fromthe disa charge opening f by automatically opening the valve -h,whereupon the charge of quidsoapflows from'the discharge nozzle 1" ontothe hand of the operator. On releasing the pressure, the'valve hautomatically closes, and the plunger is retracted to normal cs1- tion,thus permitting another charge 9 liquid-soap to flow through theperforations 6 into the charge chamber. i In Fig. 4 a modification ofthbvalvemeclh thereon'will be brought in anism is illustrated, the samecomprising a conical valve seat w, a conical valve 8, havslidingly overa cup t which is firmly fixed to the center of a diaphragm u locatedinthenozzle 0c and provided withdischarge orifices a. A s ring 2% islocated in the cup t and is surroum ed by the skirt 5* ofthe valve andbears on the valve so as to pressit to its seat. Bysuchconstruction theclogging of the action-of the spring by the liquid-soap is avoided. I

- In Fig. 5 the automatic valve 33 has a long stem a passing up'intothe'ch'arge chamber, which valve is drawn normally to its seat by springm so that the nozzle r contains no valve mechanism tending to clog it.

Vere .the uppersection b of the charge chamber omitted it will beobserved that the plunger and. charge section 0 would strictlyconstitute telescoping parts, which they are in eilect, as shown.

. It is obvious that various modifications are Within the scope andspirit of the invention, and we do not limit ourselves to the specificconstruction shown.

Having thus described our invention, what we-claim as new and desiretosecure by Letters Patent is: v I Q 1. In a liquid-soap dispensingapparatus, the combination of a reservoir, a chargechamber communicatingtherewith and having a discharge opening,fan automatic valve controllingsaid opening,.a guide-tube connecting the top of the reservoir with thecharge-chamber, a discharge plunger working in said chamber, a plungerrod guided in said tube for depressing said plunger, a retracting springlocated abovethe top of the said reservoir, and a cap applied to the topof said reservoir and confining and guarding said s ring. I

2. n a liquid-soap dispensing apparatus, the combination of a reservoir,a charge chamber communicating therewithand havinga discharge opening,an automatic valve for said opening, a discharge. lunger in saidchamber, and means within t e reservoir for variably regulating thelength of stroke of theplunger tovary the amount of soap discharged. I i

3. In a liquid-soap dispensing apparatus, the combination of areservoir, a charge chamber communicating therewithand I I-EV- ing adischarge opening, an automatic valve controlling said opening, acharge-cushioning dischar e plunger working in said chamber, .avertically adjustable regulating stop within the reservoir and contactmeans on the plunger cooperating with the stop tolimit the down strokeof the plunger. ,j] j

i 4. In'a liquid-soap dispensing' apparatus,

. ing a depending skirt 8 that fits snu ly yet chamber communicatingtherewith to 're-' ceive liquid soap from said reservoir and having adischarge opening, said chamber being composed of two cylindricalsections, the lower of which passes through and is mounted in the bottomof the reservoir, and the upper of which cylindrical sections is securedto the lower section, a valve controlling the discharge opening, adischarge plunger normally located in the upper section of said chamberwith its extreme lower end fitting snugly in the upper end )f the saidlower section, and means whereby said plunger at the limit of itsdownward movement is confined at its upper end in the lower end of thesaid upper section.

5. In a liquid-soap dispensing apparatus, the combination of areservoir, a chargechamber having a discharge opening, said chamberbeing composed of two cylindrical sections, the lower of which passesthrough and is mounted in the bottom of the reservoir and is providedwith perforations above said bottom and the upper of which sections issecured to the lower one, a valve controlling said discharge opening, adischarge plunger normally located in the upper section of said chamber,with its extreme lower end fitting snugly in the upper end of the saidlower section, and means whereby said plunger at the limit of itsdownward movement is confined at its upper end'in the lower end of thesaid upper section.

6. In a liquid-soap dispensing apparatus, the combination of areservoir, a charge chamber communicating therewith and having adischarge opening, an automatic valve for said opening, a dischargeplunger in said chamber, and cooperating parts on the regulating thelength of stroke of the lunger' to vary the amount of liquid-soap discarged.

7. In a liquid soap dispensing apparatus, the combination of areservoir, ,a charge chamber communicating therewith and having 'adischarge opening, a valve controlling said opening, a discharge plungerworking m said chamber, a guide tu fixed to the top of the reservoir anddetachably connected with the charge-chamber, a plunger rod guided insaid tube and a protected retracting spring located above the top of thereservoir to act on the plunger.

8. Means for discharging liquid-soap from a reservoir, comprising twotelescoping parts,

one of which is provided with a soap inlet'.'

and a valve-controlled discharge opening, and the other of whichisimperforate and axially elongated to provide an air cushion forthe'charge, a cylindrical section detachably connected with the saidorific'ed part and normally inclosin g said impert'oratc part, the lowerend of said other imperforate part fitting snugly in normal position inthe upper end of said soap inlet part, and means whereby at the limit ofthe downward movement of said imperforate part it is confined at itsupper end in the lower end of the said upper section.

Signed at New York, N. Y.,-this 29th day of October,'1907. j

EMANUEL M. FRANK. JAMES HIVENNERS. Witnesses: GEO. Ii, l/Vnnntoorc,

' GERTRUDE W. M RTLING.

